From 4dda50d226030b88d7fb96c1daa1c9a396ae5359 Mon Sep 17 00:00:00 2001
From: Wang Yumu <37442693@qq.com>
Date: Wed, 18 Mar 2020 00:09:10 +0800
Subject: [PATCH] Fixes moby/moby#40388

Signed-off-by: Wang Yumu <37442693@qq.com>
---
 libnetwork/ipams/builtin/builtin_unix.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libnetwork/ipams/builtin/builtin_unix.go b/libnetwork/ipams/builtin/builtin_unix.go
index b07fb4b632..5ac3def770 100644
--- a/libnetwork/ipams/builtin/builtin_unix.go
+++ b/libnetwork/ipams/builtin/builtin_unix.go
@@ -35,7 +35,10 @@ func Init(ic ipamapi.Callback, l, g interface{}) error {
 		}
 	}
 
-	ipamutils.ConfigLocalScopeDefaultNetworks(GetDefaultIPAddressPool())
+	err := ipamutils.ConfigLocalScopeDefaultNetworks(GetDefaultIPAddressPool())
+	if err != nil {
+		return err
+	}
 
 	a, err := ipam.NewAllocator(localDs, globalDs)
 	if err != nil {